regex validate email
function validateEmail(email) {
const re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
return re.test(String(email).toLowerCase());
}regex to validate email
# Python
r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"regex validate email
# Language: Perl
sub Validate_Email($)
{
my $sEmail = $_[0];
my $sRetMsg = "";
my $sUserNmRegex = "^[[:alnum:]]+([.!#\$\%&'*+-\/=?^_'{|]?[[:alnum:]]+)*";
my $sDomainRegex = "@[[:alnum:]]+([.-]{1}[[:alnum:]]+)*";
my $sEndRegex = "([.]{1}[[:alnum:]]+)+";
# Work
#--------#
if ($sEmail =~ /$sUserNmRegex$sDomainRegex$sEndRegex$/) {
$sRetMsg = "Email is valid";
}
else {
$sRetMsg = "Email is not valid";
}
return $sRetMsg;
}
my $sEmail = '[email protected]';
print "[Email:$sEmail] : " . Validate_Email($sEmail) . "\n";
# OUTPUT -> [Email:[email protected]] : Email is validvalidate email regex
^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,253}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,253}[a-zA-Z0-9])?)*$Copyright © 2021 Codeinu
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